2113142542 has 48 divisors (see below), whose sum is σ = 3848805072. Its totient is φ = 866785920.

The previous prime is 2113142539. The next prime is 2113142617. The reversal of 2113142542 is 2452413112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207993 + ... + 217915.

It is an arithmetic number, because the mean of its divisors is an integer number (80183439).

Almost surely, 2^2113142542 is an apocalyptic number.

2113142542 is a deficient number, since it is larger than the sum of its proper divisors (1735662530).

2113142542 is a wasteful number, since it uses less digits than its factorization.

2113142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033 (or 10026 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2113142542 is about 45968.9301811561. The cubic root of 2113142542 is about 1283.2450503090.

Adding to 2113142542 its reverse (2452413112), we get a palindrome (4565555654).

The spelling of 2113142542 in words is "two billion, one hundred thirteen million, one hundred forty-two thousand, five hundred forty-two".